Pretty Little Liars is an American teen drama mystery television series loosely based on the book series Pretty Little Liars, written by Sara Shepard.

Set in the small town of Rosewood, the series follows the lives of four girls, Spencer Hastings, Aria Montgomery, Hanna Marin, and Emily Fields, whose clique falls apart after the disappearance of their leader, Alison DiLaurentis. One year later, the friends are reunited as they begin receiving messages from a mysterious figure named "A", who threatens to expose their deepest secrets, including ones they thought only Alison knew. At first, they think it's Alison herself, but after her body is found, the girls realize that someone else is planning on ruining their lives.
Set in the small town of Rosewood, the series follows the lives of four girls, Spencer Hastings, Aria Montgomery, Hanna Marin, and Emily Fields, whose clique falls apart after the disappearance of their leader, Alison DiLaurentis. One year later, the friends are reunited as they begin receiving messages from a mysterious figure named "A", who threatens to expose their deepest secrets, including ones they thought only Alison knew. At first, they think it's Alison herself, but after her body is found, the girls realize that someone else is planning on ruining their lives.
Characters
Spencer is an extreme perfectionist who likes to please her wealthy family, and her friends. She is very competitive, and an overachiever. Spencer is strong willed, smart, and kind towards everyone around her, but isn't afraid to take down someone
who is a threat to something she cares about.
Hanna used to have an eating disorder. She was overweight, with the nickname 'Hefty Hanna', and after Alison Dilaurentis disappeared, Hanna lost her weight and changed her style, which seemed similar to Ali's, with the help of her new best friend Mona Vanderwaal.
Aria is very intelligent, caring, and has a good sense of style. She's the one who keeps her family together. Aria used to be a tomboy. She would wear black, punk-like clothing, and she had pink highlights in her hair. After Ali's disappearance, Aria and her family moved to Iceland for a year before returning to Rosewood. When Aria and her family came back from Iceland, she was no longer that tomboy she used to be, she was a girly-girl.
Emily is the sporty one in the group. She is the best swimmer on the swim team, and she's very sweet and loyal. Emily is a shy, kind 'closeted lesbian', who was in love with Alison DiLaurentis. Over the course of the series Emily came out to her parents that she was in a relationship with Maya St. Germain.
Alison former "Queen Bee" of her clique and the most popular girl in school before her disappearance. She enjoys using people's deepest secrets against them to keep them in line. Charming and manipulative, Alison managed to manipulate all four of her friends in some way or another and is skilled at finding ways to blackmail others. It was later revealed that Alison is alive, and was on the run from "A".




